OpenTechnical

OT-2026-000086928

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000086928) never changes.

Identity and time

Publication numberOT-2026-000086928 · never reused
Internal UUID01a0ae9a-80a5-758d-a70f-83bb500df7da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086928
StatusPUBLIC

Content hashes

Canonical textd30cc3ad7ead01a76021054cc690bd040bd5110433fc80370b8908ea695b9a05
Markdown4c45e01dbec348356eaa2e6e14f13cd310c497d0fe98a98ea052fb1ea1b80ae9
PDF
Publication page0d9c6b31c50fe56dbbf56f8b89e7b2f4da7c258d5e0e63a4aaf96b30a28cfe56
Manifestbf1b8840cd60dfd769c1880481bdcea7a54990a731192ae476a757317fa07e7d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureYZb5977xcSb3ZdqwLnbe8VOnsCP/vsmgd+oUJljnG+ydchcYyY1ulMZeeUoyjdJAewZmjV+fGR+VZ8iCzRwOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:47.142505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086928
observed 0d9c6b31c50fe56dbbf56f8b89e7b2f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:47.125195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086928/manifest.json
observed bf1b8840cd60dfd769c1880481bdcea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:47.108169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086928/publication.md
observed 4c45e01dbec348356eaa2e6e14f13cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:47.091436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086928/publication.txt
observed d30cc3ad7ead01a76021054cc690bd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.